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Expert 5K+
Posts: 8948
     
Location: WHEELING,WV.>>>HOME OF WWVA | why couldn't a 4bbl , with a good adapter , be used on a 2bbl intake . if it's been done , i've never seen it ----------------------------------later |
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Expert 5K+
Posts: 7422
Location: northern germany | 60 dart - 2013-02-13 12:53 AM
why couldn't a 4bbl , with a good adapter , be used on a 2bbl intake . if it's been done , i've never seen it ----------------------------------later
in the 50s there were adapters available for this but it gives you no advantage. the path to the plenum would be too restrictive and of course the 2bbl intake with only 2 bores couldn't take advantage of the extra flow potential of the 4bbl. |
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Expert
Posts: 3402
Location: Chestertown, NY ( near Lake George) | 1960fury - 2013-02-13 5:20 AM
60 dart - 2013-02-13 12:53 AM
why couldn't a 4bbl , with a good adapter , be used on a 2bbl intake . if it's been done , i've never seen it ----------------------------------later
in the 50s there were adapters available for this but it gives you no advantage. the path to the plenum would be too restrictive and of course the 2bbl intake with only 2 bores couldn't take advantage of the extra flow potential of the 4bbl. |
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Elite Veteran
Posts: 873
Location: ALABAMA, HEART OF DIXIE | Shep - 2013-02-13 9:23 AM 1960fury - 2013-02-13 5:20 AM 60 dart - 2013-02-13 12:53 AM why couldn't a 4bbl , with a good adapter , be used on a 2bbl intake . if it's been done , i've never seen it ----------------------------------later in the 50s there were adapters available for this but it gives you no advantage. the path to the plenum would be too restrictive and of course the 2bbl intake with only 2 bores couldn't take advantage of the extra flow potential of the 4bbl. 100% correct, this would not have any advantage.
Heres an example of a 2bbl to 4bbl adapter, this one manufactured by Mr Gasket, likely fron the 50's-60's. Probable little or no advantage performance wise but a 4bbl always looks cool. Also a good alternative for installing a 4bbl on a 318 poly due to the scarcity of 4bbl manifolds for these engines.
 (DSC07035 (Medium).JPG)
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 DSC07035 (Medium).JPG (101KB - 125 downloads)
DSC07036 (Medium).JPG (102KB - 129 downloads)
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Expert
Posts: 1506
Location: Colo Spgs | Hola
All of you are correct in knowing it is only the dumping of some more fuel over what the 2 bbl did that makes a smige of more power. This is one of those if a
"dyno sheet was in the new box" things - they would have sold less of them.
With 20 mounting holes in it - it must of been sold even to a un-knowing Olds - Chevy - Packard - Willy's - Studdy and several Ford Drivers too.
Rodger & Gabby
COS |
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Elite Veteran
Posts: 873
Location: ALABAMA, HEART OF DIXIE | With 20 mounting holes in it - it must of been sold even to a un-knowing Olds - Chevy - Packard - Willy's - Studdy and several Ford Drivers too. Yep..... These were always advertised as "UNIVERSAL" |
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Expert 5K+
Posts: 6203
Location: Big pimpin' | Well, there has always been stuff that "looks cool" and doesn't perform worth a d@mn all through history. Chrome engine parts come to mind.
Edited by dukeboy 2013-02-13 12:39 PM
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Expert
Posts: 3951
Location: Bama | I know a couple people that put 4 barrels in place of 2 barrels and disengage the secondaries for better fuel economy. |
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Regular
Posts: 75
Location: Wilkinson, Indiana | My Quote says it all. see below. |
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Expert 5K+
Posts: 6203
Location: Big pimpin' | 56D-500DODGE - 2013-02-13 10:23 PM
My Quote says it all. see below.
BUT! it DOES "bring home" Trophy's. |
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Veteran
Posts: 181
Location: Bethlehem GA | I also know people who have done the conversion. They were on Buick nailheads. No power difference only less fuel economy unless you never crack the secondaries. The smaller primaries help twith economy. But not much and I think you get a little better throttle response. The reason I have seen it done was necessity. Buick carbs had the starter switch in them and if that switch is damaged and parts cant be found the 401 4 bbls are more plentiful and you can still use the acelorator pedal start. On the flip side a 4bbl intake for a 364 is near impossible to find so adapters were a temporary fix in the pre internet days.
They used to be avalible in parts stores with the chrome stuff. I remember them in the late 90's as being common in stores. |
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Elite Veteran
Posts: 873
Location: ALABAMA, HEART OF DIXIE | QUOTE] BUT! it DOES "bring home" Trophy's. Seems like it would be cheaper and less trouble to just buy some trophys...... If thats what your reason for having the car is. Mopars really don't improve with the addition of chrome.... Big blocks command more awe and respect when left to their original configuration and finishes. Chrome seems to deminish them. JMHO Leave the chrome to the chevy guys..... They need it. |
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Expert
Posts: 1506
Location: Colo Spgs | Hola All
I see the original Junk 4 BBL to 2 BBL Carburator Adapter has gone to Adding Junk Valve Cover's, Chromed Alternator Housings and maybe Junk Dip Stick's
and what ever else is thought of by a marketing sales person ( ??? flex fans ??? ).
So Far I am lucky in having never seen a winning chrome MoPar that was approved of.
Rodger & Gabby
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Expert 5K+
Posts: 7422
Location: northern germany | i agree. i love chrome but for some reason i do not like it in the engine compartment. imo it makes it look cheap. |
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4 bbl on 2bbl intake question
